Nipple brush



FIG. 1 is an upper perspective view of a nipple brush.

FIG. 2 is an upper perspective view thereof.

FIG. 3 is a lower perspective thereof.

FIG. 4 is a front view thereof.

FIG. 5 is a left side view of FIG. 5.

FIG. 6 is a right side view of FIG. 5.

FIG. 7 is a rear view of FIG. 5.

FIG. 8 is a top end view thereof; and,

FIG. 9 is a bottom end view thereof.

The broken lines in the figures depict environmental subject matter only and form no part of the claimed design. 

CLAIM We claim the ornamental design for the nipple brush, as shown and described. 